115540637 has 4 divisors (see below), whose sum is σ = 115762080. Its totient is φ = 115319196.

The previous prime is 115540631. The next prime is 115540639. The reversal of 115540637 is 736045511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115540637 - 2¹² = 115536541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115540631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109937 + ... + 110982.

It is an arithmetic number, because the mean of its divisors is an integer number (28940520).

Almost surely, 2^115540637 is an apocalyptic number.

It is an amenable number.

115540637 is a deficient number, since it is larger than the sum of its proper divisors (221443).

115540637 is an equidigital number, since it uses as much as digits as its factorization.

115540637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221442.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 115540637 is about 10748.9830681791. The cubic root of 115540637 is about 487.0552763863.

The spelling of 115540637 in words is "one hundred fifteen million, five hundred forty thousand, six hundred thirty-seven".